From: Klaus Jensen <k.jensen@samsung.com>
Date: Thu, 4 Feb 2021 20:58:51 +0000 (+0100)
Subject: hw/block/nvme: remove block accounting for write zeroes
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d90ba23a846f8c9cd8d238e8391e6be5881cddb4;p=qemu.git

hw/block/nvme: remove block accounting for write zeroes

A Write Zeroes commands should not be counted in either the 'Data Units
Written' or in 'Host Write Commands' SMART/Health Information Log page.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
---

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index fcdd6b7cb9..88e8008985 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -2181,7 +2181,6 @@ static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append,
                                          nvme_rw_cb, req);
         }
     } else {
-        block_acct_start(blk_get_stats(blk), &req->acct, 0, BLOCK_ACCT_WRITE);
         req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size,
                                            BDRV_REQ_MAY_UNMAP, nvme_rw_cb,
                                            req);